Il numero 20021, ventimilaventuno in Italiano, in Inglese si dice twenty thousand twenty-one.
Il numero ordinale 20021° in inglese si dice twenty thousand twenty-first.
20012: twenty thousand twelve
20013: twenty thousand thirteen
20014: twenty thousand fourteen
20015: twenty thousand fifteen
20016: twenty thousand sixteen
20017: twenty thousand seventeen
20018: twenty thousand eighteen
20019: twenty thousand nineteen
20020: twenty thousand twenty
20022: twenty thousand twenty-two
20023: twenty thousand twenty-three
20024: twenty thousand twenty-four
20025: twenty thousand twenty-five
20026: twenty thousand twenty-six
20027: twenty thousand twenty-seven
20028: twenty thousand twenty-eight
20029: twenty thousand twenty-nine
20030: twenty thousand thirty